Installing The System Board - IBM 7940 Problem Determination And Service Manual

Ibm system x3455 type 7940 and 7941
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10. Remove the four hex standoff screws from the serial connector and the video
11. Slide the system board slightly toward the front of the server.
12. Lift up the left side (the side nearest to the power supply) of the system board.
13. Lift the rest of the system board and carefully remove it from the server, being
14. If you are instructed to return the system board, follow all packaging

Installing the system board

Note: When you reassemble the components in the server, be sure to route all
cables carefully so that they are not exposed to excessive pressure.
To reinstall the system board, complete the following steps.
8. Remove the memory modules and set them aside on a static-protective
surface for reinstallation (see "Removing a memory module (DIMM)" on page
39).
Note: Make a note of the location of each DIMM as you remove it, so that you
can later reinstall it in the same socket.
9. Remove the eight screws that secure the system board to the chassis.
connector at the rear of the server.
careful not to disturb any surrounding components.
instructions, and use any packaging materials for shipping that are supplied to
you.
Screws
(8 places)
Chapter 4. Removing and replacing server components
65

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7941

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